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Other forms to underpin ? | remove negation | female gender | contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO UNDERPIN

Regular verb: underpin - underpinned - underpinned

Indicative

Present
I do not underpin
you do not underpin
he does not underpin
we do not underpin
you do not underpin
they do not underpin
Present continuous
I am not underpinning
you are not underpinning
he is not underpinning
we are not underpinning
you are not underpinning
they are not underpinning
Preterite
I did not underpin
you did not underpin
he did not underpin
we did not underpin
you did not underpin
they did not underpin
Preterite continuous
I was not underpinning
you were not underpinning
he was not underpinning
we were not underpinning
you were not underpinning
they were not underpinning
Present perfect
I have not underpinned
you have not underpinned
he has not underpinned
we have not underpinned
you have not underpinned
they have not underpinned
Present perfect continuous
I have not been underpinning
you have not been underpinning
he has not been underpinning
we have not been underpinning
you have not been underpinning
they have not been underpinning
Pluperfect
I had not underpinned
you had not underpinned
he had not underpinned
we had not underpinned
you had not underpinned
they had not underpinned
Pluperfect continuous
I had not been underpinning
you had not been underpinning
he had not been underpinning
we had not been underpinning
you had not been underpinning
they had not been underpinning
Future
I will not underpin
you will not underpin
he will not underpin
we will not underpin
you will not underpin
they will not underpin
Future continuous
I will not be underpinning
you will not be underpinning
he will not be underpinning
we will not be underpinning
you will not be underpinning
they will not be underpinning
Future perfect
I will not have underpinned
you will not have underpinned
he will not have underpinned
we will not have underpinned
you will not have underpinned
they will not have underpinned
Future perfect continuous
I will not have been underpinning
you will not have been underpinning
he will not have been underpinning
we will not have been underpinning
you will not have been underpinning
they will not have been underpinning

Conditional

Present
I would not underpin
you would not underpin
he would not underpin
we would not underpin
you would not underpin
they would not underpin
Present continuous
I would not be underpinning
you would not be underpinning
he would not be underpinning
we would not be underpinning
you would not be underpinning
they would not be underpinning
Past
I would not have underpinned
you would not have underpinned
he would not have underpinned
we would not have underpinned
you would not have underpinned
they would not have underpinned
Past continuous
I would not have been underpinning
you would not have been underpinning
he would not have been underpinning
we would not have been underpinning
you would not have been underpinning
they would not have been underpinning

Imperative

Imperative
do not underpin
Let's not underpin
do not underpin
 
 
 

Infinitive

Infinitive
to underpin
 
 
 

Participle

Present
underpinning
Past
underpinned